1331331243313 has 16 divisors (see below), whose sum is σ = 1359075516480. Its totient is φ = 1303686020416.

The previous prime is 1331331243283. The next prime is 1331331243353. The reversal of 1331331243313 is 3133421331331.

It is a cyclic number.

It is not a de Polignac number, because 1331331243313 - 2¹³ = 1331331235121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331331243353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92529906 + ... + 92544292.

It is an arithmetic number, because the mean of its divisors is an integer number (84942219780).

Almost surely, 2^{1331331243313} is an apocalyptic number.

It is an amenable number.

1331331243313 is a deficient number, since it is larger than the sum of its proper divisors (27744273167).

1331331243313 is a wasteful number, since it uses less digits than its factorization.

1331331243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696.

The product of its digits is 17496, while the sum is 31.

Adding to 1331331243313 its reverse (3133421331331), we get a palindrome (4464752574644).

The spelling of 1331331243313 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, two hundred forty-three thousand, three hundred thirteen".